Take 276.25 away from 325 which gives 48.75 now divide this sum by 325 and multiply by 100 to arrive at the percentage reduction. 48.75/325*100 = 15 ANSWER 15%
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Answers:
- x = 11
- angle RQS = 106 degrees
- angle SQT = 74 degrees
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Explanation:
Straight angles are always 180 degrees in measure.
The two smaller angles shown add up to 180
(angle RQS) + (angle SQT) = angle RQT
(9x+7) + (6x+8) = 180
(9x+6x) + (7+8) = 180
15x+15 = 180
15x = 180-15
15x = 165
x = 165/15
x = 11
From here, we then know that,
- angle RQS = 9x+7 = 9*11+7 = 99+7 = 106 degrees
- angle SQT = 6x+8 = 6*11+8 = 66+8 = 74 degrees
Note how the two results add to 106+74 = 180 to help confirm the answers.
It has come in a sequence.
If you see carefully, all the numbers are related to the multiplication table of 3. So, if you write the table, you would find that it's coming from 9 to 18 to 24 to . So, I have written the number sequence on the picture. Hope it helps you
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